Home / 123,627.55-185,431.08-39,384.31

Finding the Fourth Proportional to 123,627.55, 185,431.08 and 39,384.31

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Solution

The fourth proportional to 123,627.55, 185,431.08 and 39,384.31 is: 59,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,627.55 : 185,431.08 = 39,384.31 : x
  2. Step 2: Convert to fraction form
    123,627.55/185,431.08 = 39,384.31/x
  3. Step 3: Cross multiply
    123,627.55x = 185,431.08 × 39,384.31
  4. Step 4: Simplify right side
    123,627.55x = 7,303,075,138.35
  5. Step 5: Solve for x
    x = 7,303,075,138.35/123,627.55
  6. Step 6: Final answer
    x = 59,073.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.